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tmc/src/interrupts.c

334 lines
9.1 KiB
C
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#include "global.h"
#include "audio.h"
#include "main.h"
#include "player.h"
#include "structures.h"
#include "save.h"
#include "textbox.h"
#include "functions.h"
#include "object.h"
#include "utils.h"
#include "npc.h"
#include "effects.h"
#include "screen.h"
#include "gba/m4a.h"
extern u8 gUnk_03003DE0;
extern u8 gUnk_03000C30;
extern u16* gUnk_02025EB0;
extern u16* gUnk_0200B650;
extern u8 gUpdateVisibleTiles;
extern u8 gUnk_03003DF0[];
extern u8 gUnk_03003BE0;
extern Entity* gUnk_03004040[3];
extern u16 gUnk_080B2CD8[];
extern u32 gUnk_03000FBC;
extern void sub_080ADD70();
extern void sub_0801C25C();
extern void UpdateDisplayControls();
extern void LoadResources();
extern void FadeVBlank();
extern void HandlePlayerLife();
extern void DoPlayerAction();
extern void sub_080171F0();
extern void sub_08078FB0();
extern u32 CheckDontUpdate();
extern void DrawEntity();
extern void sub_0807A050();
extern u32 sub_08079B24();
extern void sub_08079708();
extern void CreateSparkle();
extern void sub_080028E0(Entity*);
extern void sub_08078180(void);
extern void sub_0807B0C8(void);
extern void sub_0807A8D8(Entity*);
extern void sub_08077FEC(u32);
void gIntrMain(void);
struct {
u8 update;
u8 _0[0x1c];
struct OamData oam[0x80];
} extern gUnk_03000000;
struct {
u8 ready;
u16* src;
u16* dest;
u32 size;
} extern gUnk_02022730;
void sub_08016CA8(BgSettings* bg);
void sub_08016BF8(void);
void DispCtrlSet(void);
void DummyIntr(void) {
/* .. */
}
void EnableVBlankIntr(void) {
INTR_VECTOR = gIntrMain;
REG_DISPSTAT = DISPSTAT_VCOUNT_INTR | DISPSTAT_VBLANK_INTR | (80 << 8);
REG_IE = INTR_FLAG_VBLANK | INTR_FLAG_VCOUNT | INTR_FLAG_GAMEPAK;
REG_IME = 1;
}
void VBlankIntr(void) {
DmaStop(0);
m4aSoundVSync();
if (gMain.interruptFlag == 0) {
DispCtrlSet();
DmaCopy32(0, &gUnk_03000FBC, &gUnk_02022730, 16);
gMain.interruptFlag = 1;
}
sub_08016BF8();
INTR_CHECK |= 1;
}
void HBlankIntr(void) {
REG_DISPSTAT = DISPSTAT_VCOUNT_INTR | DISPSTAT_VBLANK_INTR | (80 << 8);
m4aSoundMain();
}
void sub_08016BF8(void) {
if (gUnk_02022730.ready) {
const u16* src = gUnk_02022730.src;
u16* dest = gUnk_02022730.dest;
s32 size, i = size = gUnk_02022730.size;
DmaSet(0, src, dest, size);
i = size & 0x3fff;
if (i == 0) {
i = 0x4000;
}
do {
*dest++ = *src++;
} while (--i > 0);
}
}
void UpdateDisplayControls(void) {
if (gUnk_03000000.update && (gScreen.lcd.displayControl & DISPCNT_OBJ_ON)) {
gUnk_03000000.update = 0;
DmaCopy32(3, &gUnk_03000000.oam, OAM, OAM_SIZE);
}
sub_08016CA8(&gScreen.bg0);
sub_08016CA8(&gScreen.bg1);
sub_08016CA8((BgSettings*)&gScreen.bg2);
sub_08016CA8((BgSettings*)&gScreen.bg3);
}
void sub_08016CA8(BgSettings* bg) {
if (bg->updated && bg->tilemap != NULL) {
u32 dest;
bg->updated = 0;
dest = bg->control;
DmaCopy32(3, bg->tilemap, ((dest << 3) & 0xF800) + VRAM, gUnk_080B2CD8[dest >> 14]);
}
}
ASM_FUNC("asm/dispCtrlSet.s", void DispCtrlSet(void));
// Load any resources that were requested with LoadResourceAsync
void LoadResources(void) {
if (gUnk_03003DE0 != 0) {
u8* buf = &gUnk_03000C30;
s32 i = gUnk_03003DE0;
gUnk_03003DE0 = 0;
do {
switch (*buf) {
case 0:
DmaCopy32(3, *(u32*)(buf + 4), *(u32*)(buf + 8), *(u16*)(buf + 2));
break;
case 1:
LZ77UnCompVram(*(void**)(buf + 4), *(u8**)(buf + 8));
break;
case 2:
DmaFill32(3, *(u32*)(buf + 4), *(u32*)(buf + 8), *(u16*)(buf + 2));
break;
}
buf += 12;
i--;
} while (0 < i);
}
}
void WaitForNextFrame(void) {
gMain.interruptFlag = 0;
VBlankIntrWait();
do {
// Our VBlankIntr will set this flag
} while (gMain.interruptFlag == 0);
sub_080ADD70();
sub_0801C25C();
UpdateDisplayControls();
LoadResources();
if (gUpdateVisibleTiles) {
gUpdateVisibleTiles = 0;
if (gUnk_02025EB0 != NULL)
// sizeof(BGBuffer) = 0x800, what are we omitting?
DmaCopy32(3, &gBG1Buffer, VRAM + (*gUnk_02025EB0 & 0x1f00) * 8, 0x5C0);
if (gUnk_0200B650 != NULL)
DmaCopy32(3, &gBG2Buffer, VRAM + (*gUnk_0200B650 & 0x1f00) * 8, 0x5C0);
}
FadeVBlank();
}
void PlayerUpdate(Entity* this) {
if (gSave.stats.effect != 0)
gPlayerState.flags |= 0x4000;
else
gPlayerState.flags &= ~0x4000;
if (CheckDontUpdate(this) == 0) {
if ((gPlayerState.flags & 0x80000) != 0) {
sub_08077B20();
if ((gPlayerState.flags & 0x200000) != 0) {
gPlayerState.playerAction = PLAYER_ROLL;
gPlayerState.flags &= ~0x80000;
gPlayerState.hurtBlinkSpeed = 240;
COLLISION_ON(this);
} else {
COLLISION_OFF(this);
gPlayerState.field_0xa8 = 0xf;
}
}
HandlePlayerLife(this);
DoPlayerAction(this);
if ((this->z.WORD == 0) && (this->action == 1 || this->action == 9))
sub_08008790(this, 8);
sub_080171F0();
}
sub_08078FB0(this);
DrawEntity(this);
sub_0807A050();
}
// Responsible for some life things like low health beep and initiating the death sequence
#ifdef EU
ASM_FUNC("asm/non_matching/eu/HandlePlayerLife.inc", void HandlePlayerLife(Entity* this));
#else
void HandlePlayerLife(Entity* this) {
u32 temp;
gUnk_0200AF00.filler25[10] = 0;
gUnk_0200AF00.filler25[8] = 0;
gUnk_0200AF00.filler25[9] = 0;
if ((gPlayerEntity.bitfield & 0x80) && (gPlayerEntity.iframes > 0))
SoundReq(SFX_86);
gPlayerState.flags &= ~(0x2000000 | 0x200);
if (gPlayerState.flags & PL_BURNING)
ResetPlayer();
if ((gPlayerState.flags & 0x400000) && !gPlayerState.field_0xa0[0])
sub_0807A108();
if (sub_08079B24() == 0)
sub_08079708(this);
gUnk_03003DF0[0] = 0;
if (gPlayerState.field_0x27[0] != 0)
gPlayerState.field_0x27[0]--;
gPlayerState.field_0xa9 = gPlayerState.field_0xa8;
gPlayerState.field_0xa8 = 0;
if (gPlayerState.hurtType[0x4a] != 0) {
gPlayerState.hurtType[0x4a]--;
return;
}
if ((gPlayerState.controlMode != CONTROL_ENABLED) || (gMessage.doTextBox & 0x7f))
return;
gRoomVars.unk2 = gMessage.doTextBox & 0x7f;
temp = gSave.stats.maxHealth / 4;
if (temp > 24)
temp = 24;
if (temp < 8)
temp = 8;
if (gSave.stats.health <= temp) {
gRoomVars.unk2 = 1;
if ((gUnk_0200AF00.filler0[1] == 0) && gScreenTransition.frameCount % 90 == 0) {
EnqueueSFX(SFX_LOW_HEALTH);
}
}
if (gSave.stats.charm == 0) {
gSave.stats.charmTimer = 0;
} else if ((gSave.stats.charmTimer == 0) || --gSave.stats.charmTimer == 0) {
gSave.stats.charm = 0;
SoundReq(SFX_ICE_BLOCK_MELT);
}
if (gSave.stats.unkB == 0) {
gSave.stats.unkTimer = 0;
} else if ((gSave.stats.unkTimer == 0) || (--gSave.stats.unkTimer == 0)) {
gSave.stats.unkB = 0;
SoundReq(SFX_140);
} else if ((gSave.stats.unkTimer & 0xf) == 0) {
CreateSparkle(this);
}
if (gSave.stats.effect == 0) {
gSave.stats.effectTimer = 0;
} else if ((gSave.stats.effectTimer == 0) || --gSave.stats.effectTimer == 0) {
gSave.stats.effect = 0;
} else if ((gSave.stats.effectTimer & 0x3f) == 0) {
CreateFx(this, (FX_RED_AURA - 1) + gSave.stats.effect, 0);
}
}
#endif
void sub_080171F0(void) {
if (gPlayerState.field_0x1a[0] != 0)
ResetPlayer();
if (gPlayerState.field_0x14 != 0)
gPlayerState.field_0x14--;
if (gPlayerEntity.field_0x7a.HWORD != 0)
gPlayerEntity.field_0x7a.HWORD--;
gPlayerEntity.bitfield &= ~0x80;
if (gPlayerEntity.action != PLAYER_DROWN)
COPY_FLAG_FROM_TO(gPlayerState.flags, 0x2, 0x10000);
gPlayerState.flags &= ~2;
sub_080028E0(&gPlayerEntity);
if (gPlayerState.flags & 0x400000)
gUnk_0200AF00.filler25[10] = 1;
sub_08078180();
gPlayerState.field_0x7 &= ~0x80;
gPlayerState.field_0xa &= 0xf;
gPlayerState.keepFacing &= ~0x80;
gPlayerState.field_0x1a[0] = 0;
gPlayerState.field_0x80 = 0;
gPlayerState.field_0xaa = 0;
MemClear(&gUnk_03003BE0, 0x8c);
gPlayerEntity.spriteOffsetY = gPlayerState.field_0x3f;
gPlayerState.field_0x3f = 0;
sub_0807B0C8();
if (gPlayerState.flags & 0x400000)
gUnk_03004040[0]->spriteOffsetY = gUnk_03004040[1]->spriteOffsetY = gUnk_03004040[2]->spriteOffsetY = 0;
if (gPlayerEntity.action == PLAYER_08072F34)
gPlayerState.flags |= 0x20000000;
else
gPlayerState.flags &= ~0x20000000;
sub_0807A8D8(&gPlayerEntity);
if (gPlayerState.jumpStatus & 0xc0)
gPlayerEntity.iframes = 0xfe;
if (gPlayerEntity.action != PLAYER_ROOMTRANSITION) {
sub_08077FEC(gPlayerEntity.action);
}
}
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